▎ 摘　　要

NOVELTY - The utility model belongs to the technical field of new energy battery, claims a battery tab-based graphene coating, provided with a pole ear, upper end of pole ear surface coated with a graphene coating; front end of pole ear to use end, tail end is a welding end of the tab, lower end of the welding end is inserted on the battery pole sheet, welding end contact length of the pole piece is 1 mm-30 mm, are respectively provided with a row of symmetrical hollow round hole in the distance between the welding end of the 0.5mm-5mm region. hollow circular holes reduce the cross sectional area of the pole ear, when the current exceeds the safety requirement, the tab so as to protect the battery and avoid safety accident caused by the excessive load current. using the excellent conductivity of the graphene, the graphene coating sprayed on the tab metal layer, graphene coating has excellent conductivity, can effectively reduce the impedance of the ear and improve battery pole ear of the conductive bearing large current.